<div class="panel panel-primary">
  <div class="panel-heading">
    <ng-content select=".heading"></ng-content>
  </div>
  <div class="panel-body">
    <ng-content select=".body"></ng-content>
  </div>
  <div class="panel-footer">
    {{currentDate | date : "yyyy-MM-dd HH:mm:ss"}}
  </div>
</div>